package com.itda.mapper;

import com.itda.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

/**
 * @Author: itda
 * @Date: 2024/4/27 18:55
 * @Description: EmpMapper
 */
@Mapper
public interface EmpMapper {
    /**
     * 查询总记录数
     * @return
     */
    /*@Select("select count(*) from tlias.emp")
    Long count();*/

    /**
     * 分页查询,获取列表数据
     * @param start
     * @param pageSize
     * @return
     */
    /*@Select("select * from tlias.emp limit #{start},#{pageSize}")
    List<Emp> page(Integer start,Integer pageSize);*/

    /**
     * 员工信息查询
     * @return
     */
    //@Select("select * from tlias.emp")
    List<Emp> list(String name, Short gender, LocalDate begin, LocalDate end);

    /**
     * 批量删除
     * @param ids
     */
    void delete(List<Integer> ids);

    /**
     * 新增员工
     * @param emp
     */
    @Insert("insert into emp (username, name, gender, image, job, entrydate, dept_id, create_time, update_time) VALUES " +
            "(#{username},#{name},#{gender},#{image},#{job},#{entrydate},#{deptId},#{createTime},#{updateTime})")
    void add(Emp emp);

    /**
     * 根据id查询员工
     * @param id
     * @return
     */
    @Select("select * from emp where id = #{id}")
    Emp getById(Integer id);

    /**
     * 修改员工
     * @param emp
     */
    void update(Emp emp);

    /**
     * 根据用户名和密码查询员工
     * @param emp
     * @return
     */
    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);

    /**
     * 根据部门id删除该部门下的员工数据
     * @param deptId
     */
    @Delete("delete from emp where dept_id = #{deptId}")
    void deleteByDeptId(Integer deptId);
}
